Sheridan Smith is a TV legend. A British hun, even. Rudi's American Boy rap à la Gavin and Stacey? Yeah, that was nothing short of iconic. But acting aside, the 45-year-old is also an unexpected beauty muse, having flitted between a number of different hairstyles over the years. Her signature, no doubt, is the blonde – whether that be worn long, short or mid-length – but most recently, she's ditched the bleach in favour of a brunette bob, and it's such a shocking style that it had us doing a double take.
If you follow Sheridan, you'll know that she's been on a social media hiatus for the past few months. However, she made a dramatic return just yesterday [18 August, 2026], and it features the surprising hair transformation in question. "Guess who’s back?! 🇦🇺🇬🇧☕️," she wrote to caption her initial post, before following it up with a 20-part (!!) carousel post.
Behold: thee brunette bob, defined by its choppy finish, golden hour tint and light, face-framing layers. *Chef's kiss*
"Met some real ones, craziest experience ever the other side of the world! 5 months is TOO long! But me and little man made it! I may be bruised and emotionally battered but I did it and finally homeward bound! ✈️💪🏼🇬🇧 can’t wait for family cuddles and Yorkshire tea ☕️❤️👋🏼🐍🇦🇺," she continued.
Now, as mentioned, Sheridan is no stranger to a style overhaul and has even sported this very look in the past. Case in point:
But that doesn't take away from the shock factor. After all, when someone's become so synonymous with blonde hair, a return to brunette is always going to feel like a major switch-up.
Follow Lia on Instagram.
Lia Mappoura (she/her) is the Beauty Writer at Cosmopolitan UK, with over four years of experience reporting across the brand's print, social, video and digital platforms. Lia covers everything from emerging trend analysis to viral celebrity hair and makeup moments, making her an expert at spotting the season’s next big beauty look (before it takes over social media feeds).
In 2025, she was named The Rising Media Star at the Love Perfume Awards with The Perfume Shop, recognised for her outstanding digital fragrance content and for building genuine authority within the space. She is passionate about challenging outdated beauty stereotypes, championing inclusive representation in beauty, and educating readers on the trends, products and conversations shaping the industry today. Follow her on Instagram or find her on LinkedIn.












